Home / 31,520.04-47,281.14-10,743

Finding the Fourth Proportional to 31,520.04, 47,281.14 and 10,743

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Solution

The fourth proportional to 31,520.04, 47,281.14 and 10,743 is: 16,114.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,520.04 : 47,281.14 = 10,743 : x
  2. Step 2: Convert to fraction form
    31,520.04/47,281.14 = 10,743/x
  3. Step 3: Cross multiply
    31,520.04x = 47,281.14 × 10,743
  4. Step 4: Simplify right side
    31,520.04x = 507,941,287.02
  5. Step 5: Solve for x
    x = 507,941,287.02/31,520.04
  6. Step 6: Final answer
    x = 16,114.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.